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The 8.2 patch that added support for an alias on the target table of

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UPDATE/DELETE forgot to teach ruleutils.c to display the alias.
Per bug #4141 from Mathias Seiler.
This commit is contained in:
Tom Lane 2008-05-03 23:19:33 +00:00
parent 29bf7b00a8
commit 932a50feee
1 changed files with 10 additions and 3 deletions
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13
src/backend/utils/adt/ruleutils.c
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@ -2,7 +2,7 @@
* ruleutils.c - Functions to convert stored expressions/querytrees * ruleutils.c - Functions to convert stored expressions/querytrees
* back to source text * back to source text
* *
* $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.235.2.4 2008/01/06 01:03:23 tgl Exp $ * $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.235.2.5 2008/05/03 23:19:33 tgl Exp $
**********************************************************************/ **********************************************************************/
#include "postgres.h" #include "postgres.h"
@ -2529,9 +2529,13 @@ get_update_query_def(Query *query, deparse_context *context)
appendStringInfoChar(buf, ' '); appendStringInfoChar(buf, ' ');
context->indentLevel += PRETTYINDENT_STD; context->indentLevel += PRETTYINDENT_STD;
} }
appendStringInfo(buf, "UPDATE %s%s SET ", appendStringInfo(buf, "UPDATE %s%s",
only_marker(rte), only_marker(rte),
generate_relation_name(rte->relid)); generate_relation_name(rte->relid));
if (rte->alias != NULL)
appendStringInfo(buf, " %s",
quote_identifier(rte->alias->aliasname));
appendStringInfoString(buf, " SET ");
/* Add the comma separated list of 'attname = value' */ /* Add the comma separated list of 'attname = value' */
sep = ""; sep = "";
@ -2603,12 +2607,15 @@ get_delete_query_def(Query *query, deparse_context *context)
Assert(rte->rtekind == RTE_RELATION); Assert(rte->rtekind == RTE_RELATION);
if (PRETTY_INDENT(context)) if (PRETTY_INDENT(context))
{ {
context->indentLevel += PRETTYINDENT_STD;
appendStringInfoChar(buf, ' '); appendStringInfoChar(buf, ' ');
context->indentLevel += PRETTYINDENT_STD;
} }
appendStringInfo(buf, "DELETE FROM %s%s", appendStringInfo(buf, "DELETE FROM %s%s",
only_marker(rte), only_marker(rte),
generate_relation_name(rte->relid)); generate_relation_name(rte->relid));
if (rte->alias != NULL)
appendStringInfo(buf, " %s",
quote_identifier(rte->alias->aliasname));
/* Add the USING clause if given */ /* Add the USING clause if given */
get_from_clause(query, " USING ", context); get_from_clause(query, " USING ", context);